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In sea star development how does the overall size of the blastula compare with that of the fertilized egg?
The blastula in sea star development is larger than the fertilized egg. As the zygote undergoes multiple rounds of cell division, it forms a hollow ball of cells called the blastula. This growth is accompanied by an increase in overall size.
What events in early development suggest that frogs are more closely related to sea stars than either group is related to snails or worms?
One early developmental event suggesting frogs are more closely related to sea stars than either group is related to snails or worms is gastrulation. In both frogs and sea stars, gastrulation involves the formation of a blastopore that becomes the opening of the digestive tract, while this differs in snails and worms. Additionally, frogs and sea stars share radial cleavage during early cell divisions, unlike the spiral cleavage seen in snails and worms.
Is a sea star a carnivore herbivore or an omnivore?
A sea cucumber is a Herbivore.
How much force can the water vascular system of a sea star generate?
The water vascular system of a sea star can generate enough force to extend and retract tube feet for movement and feeding. The force is sufficient for the sea star to grip onto prey items and surfaces. The exact amount of force generated may vary depending on the species of sea star.
What is the type of asexual reproduction in the sea star?
Sea stars are capable of both types of reproduction.
In sea star development how does the overall size of the blastula compare with that of the fertilized egg?
The blastula in sea star development is larger than the fertilized egg. As the zygote undergoes multiple rounds of cell division, it forms a hollow ball of cells called the blastula. This growth is accompanied by an increase in overall size.
What factor causes a frog's morula blastula and gastrula to look different than those of a sea star?
Distribution of yolk cells.
How does the morula stage of sea star development differ from the blastula stage?
The blastula is a single-layered ball with a fluid-filled cavity called the BLASTOCOEL in the middle (which the morula stage lacks). --Side note: The morula is a ball of cells about the same size as the original zygote and the large number of embryonic cells of the morula arrange themselves into a blastula, with the blastocoel in the middle.
Why will you not find frogs in sea?
Frogs are not adapted to live in saltwater.
Were can you find frogs?
Frogs can be found on every continent but Antarctica.
Why will you not find frogs in the sea?
Frogs are not adapted to live in salt water.
Is a sea turtele and a frog reptize?
Sea turtles are a type of reptile. Frogs, however, are not reptiles. Instead, frogs are amphibians.
How did a sea star be called a sea star?
A sea star is called a sea star simply because of where it lives (the sea) and what it looks like (a star), simple!
What are all of the frogs signs in Legend of Zelda Phantom Hourglass?
Some where on the 4 seas there are some golden frogs who like to jump out of the water. Try to shoot them in mid-air with your cannon I will tell how many are in each sea South Western sea: 2 frogs South Eastern sea: 2 frogs North Western sea: 2 frogs North Eastern sea: 1 frog Total amount: 7 frogs
How are frogs adapted on land and in the sea?
they can breath
Do frogs live in the sea or the land?
Frogs do not live in the sea, they require fresh water, such as ponds or swamps. They are amphibians, so that they live both on land and in the water.
Is a sea star an invertabrate?
no, a sea star is a vertebrate!
